Collider. Paramount Pictures and Marvel Entertainment present the epic adventure, Thor, which spans the Marvel Universe from present day Earth to the realm of Asgard. At the center of the story is the mighty Thor (Hemsworth), a powerful but arrogant warrior whose reckless actions reignite an ancient war. Thor is cast down to Earth by his father Odin (Anthony Hopkins) and is forced to live among humans. A beautiful, young scientist, Jane Foster (Natalie Portman), has a profound effect on Thor, as she ultimately becomes his first love. It’s while here on Earth that Thor learns what it takes to be a true hero when the most dangerous villain of his world sends the darkest forces of Asgard to invade Earth. The film is directed by Kenneth Branagh, also stars Samuel L. Jackson, Kat Dennings, Stellan Skarsgård, Ray Stevenson and Jaimie Alexander. Paramount has set a May 6th, 2011 summer release for Thor.